National Weather Service Forecast for: Weymouth MA
Issued by: National Weather Service Norton, MA
Updated: 12:58 am EST Dec 18, 2025
 
Overnight

Overnight: Mostly clear, with a low around 28. West wind 3 to 6 mph.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 50. Calm wind becoming south 5 to 8 mph in the morning.
Sunny

 Thursday
Night
Thursday Night: A chance of rain, mainly after 4am. Increasing clouds, with a temperature falling to near 40 by 8pm, then rising to around 52 during the remainder of the night. South wind 7 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Mostly Cloudy
then Chance
Rain
 Friday

Friday: Rain and possibly a thunderstorm before 3pm, then rain likely. High near 58. Windy, with a south wind 18 to 26 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Rain and
Windy

 Friday
Night
Friday Night: A chance of rain, mainly before 7pm. Partly cloudy, with a low around 26. Breezy, with a west wind 15 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.
Chance Rain
and Breezy
then Mostly
Clear
 Saturday

Saturday: Mostly sunny, with a high near 40. West wind 7 to 13 mph, with gusts as high as 25 mph.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 32. South wind 7 to 10 mph, with gusts as high as 23 mph.
Mostly Cloudy

 Sunday

Sunday: Partly sunny, with a high near 47. West wind around 11 mph, with gusts as high as 22 mph.
Partly Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 22. West wind around 11 mph, with gusts as high as 23 mph.
Partly Cloudy
Lo 28 °F Hi 50 °F Lo 40 °F⇑ Hi 58 °F Lo 26 °F Hi 40 °F Lo 32 °F Hi 47 °F Lo 22 °F

Wind Advisory
 

Overnight
 
 Mostly clear, with a low around 28. West wind 3 to 6 mph.
Thursday
 
 Sunny, with a high near 50. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
 
 A chance of rain, mainly after 4am. Increasing clouds, with a temperature falling to near 40 by 8pm, then rising to around 52 during the remainder of the night. South wind 7 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Friday
 
 Rain and possibly a thunderstorm before 3pm, then rain likely. High near 58. Windy, with a south wind 18 to 26 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday Night
 
 A chance of rain, mainly before 7pm. Partly cloudy, with a low around 26. Breezy, with a west wind 15 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 30%.
Saturday
 
 Mostly sunny, with a high near 40. West wind 7 to 13 mph, with gusts as high as 25 mph.
Saturday Night
 
 Mostly cloudy, with a low around 32. South wind 7 to 10 mph, with gusts as high as 23 mph.
Sunday
 
 Partly sunny, with a high near 47. West wind around 11 mph, with gusts as high as 22 mph.
Sunday Night
 
 Partly cloudy, with a low around 22. West wind around 11 mph, with gusts as high as 23 mph.
Monday
 
 Sunny, with a high near 30. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Monday Night
 
 Partly cloudy, with a low around 20. Northwest wind around 7 mph.
Tuesday
 
 A chance of rain and snow. Mostly cloudy, with a high near 37. Southwest wind 6 to 9 mph. Chance of precipitation is 50%.
Tuesday Night
 
 A chance of rain and snow. Mostly cloudy, with a low around 28. Southwest wind around 8 mph. Chance of precipitation is 40%.
Wednesday
 
 Mostly sunny, with a high near 40. Northwest wind 7 to 10 mph.

 

Forecast from NOAA-NWS for Weymouth MA.